Grease for a slide contact

Details Grease for a slide contact Grease for a slide contact

1993-03-09

1994-11-15

Medley, Margaret B.

Compositions

Electrolytes for electrical devices

252 421, 252 21, 252 56S, C10M16906, C10M11702, C10M12530

Patent

active

053645448

ABSTRACT:
The present invention provides a grease for a slide contact which comprises 100 parts by weight of a synthetic base oil which contains synthetic poly-.alpha.-olefin oil mixture as a main ingredient consisting of synthetic poly-.alpha.-olefin oil having a low viscosity of from 8 to 30 cSt (40.degree. C.) and synthetic poly-.alpha.-olefin oil having a high viscosity of 470 cSt (40 .degree. C.), 0.1-10 parts by weight of fine particulate clay mineral having micropores and/or fine particulate clay mineral structure having monolayers capable of intercalating water or anions, 5-25 parts by weight of thickener consisting of 12-hydroxy lithium stearate and lithium stearate in a weight ratio of from 20:1 to 5: 1, and 0.1-2.0 parts by weight of a phenolic primary antioxidant. The grease according to the present invention is particularly suitable as a grease for a slide contact of the sliding switch of vehicles such as an automobile.

REFERENCES:
patent: 4406800 (1983-09-01), Christain
patent: 4432771 (1984-02-01), Sawyer, Jr.
patent: 4749502 (1988-06-01), Alexander et al.
patent: 4840739 (1989-06-01), Mori et al.
patent: 4859352 (1989-08-01), Waynick
patent: 4879054 (1989-11-01), Waynick
patent: 4956122 (1990-09-01), Watts et al.
patent: 5049291 (1991-09-01), Miyaji et al.

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